.mailmap: update Luca Ceresoli's e-mail address

My Bootlin address is preferred from now on.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Luca Ceresoli <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Atish Patra <[email protected]>
Cc: Hans Verkuil <[email protected]>
Cc: Thomas Petazzoni <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: lucaceresoli

.mailmap

@@ -254,6 +254,7 @@ Linus Lüssing <[email protected]> <[email protected]>
 Li Yang <[email protected]> <[email protected]>
 Li Yang <[email protected]> <[email protected]>
 Lorenzo Pieralisi <[email protected]> <[email protected]>
+Luca Ceresoli <[email protected]> <[email protected]>
 Lukasz Luba <[email protected]> <[email protected]>
 Maciej W. Rozycki <[email protected]> <[email protected]>
 Maciej W. Rozycki <[email protected]> <[email protected]>